After Moving, I Always Receive Express Delivery from Unknown Sources.

After transferring to another school in his senior year of high school and moving, Yang Jingyuan began to receive express delivery from unknown sources one after another. The items he took out were all kinds of strange, including a bank card with a balance of 100,000 yuan, a sports car key, a watch that can search for the location of abnormal creatures, and even a terrifying monster! And on the express box containing the monster, there were three bright characters written on it - kill! Die! I! Although these things are weird, coincidentally, they seem to be exactly what he needs... Just taking it apart, Yang Jingyuan seems to have uncovered a huge secret related to the life and death of mankind...